From: Kenneth Sacca (ksacca@xxxxxxxxx)
Date: Wed Aug 02 2000 - 18:35:53 GMT-3
Ok. Try this link. It spells out exactly how to do this. Brian's link
is only for marketing. This link is how to configure this.
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121newft/121t/1
21t3/dtpri_ni.htm
Good luck.
Ken
Brian Edwards wrote:
>
> Here is what I've found. PRI only, IOS 12.1(3)T
> http://www.cisco.com/warp/public/cc/pd/iosw/iore/iomjre121/prodlit/1065_pp.h
> tm#23001
> Network Side PRI Signaling, Trunking, and Switching
>
> Description
>
> The Network side PRI Signaling, Trunking, and Switching feature enables
> Cisco IOS Software to replicate the public switched network interface to a
> PBX. Network
> Side PRI enables the NAS to provide a standard ISDN PRI network-side
> interface to the PBXs and mimic the behavior of legacy phone switches. To a
> PBX, the NAS
> functions as a National ISDN PRI switch type or an ETSI PRI Net5 switch. No
> change in PBX capability or behavior is required.
>
> Call switching using dial peers enables Cisco (voice-over-IP) VoIP gateways
> to switch voice and data calls between different interfaces based on the
> dial peer matching.
> An incoming call is matched against configured dial peers, and based on the
> configured called number, the outgoing interface is selected. Any call that
> arrives from an
> ISDN PRI network side on a supported platform is either terminated on the
> NAS, switched to an IP network, or switched to the PSTN, depending on the
> configuration. A dial peer is an addressable call endpoint identified, for
> example, by a phone number or a port number. In VoIP, there are two kinds of
> dial peers: POTS
> and VoIP. The Cisco AS5800 access server switches both voice and data calls.
> The Cisco AS5300 access server switches only voice calls.
>
> The Trunk Group Resource Manager (TGRM) supports the logical grouping,
> configuration, and joint management of one or more PRI interfaces. The TGRM
> is used to
> store configuration information and to accept or select an interface from a
> trunk group when requested. A trunk group is provisioned as the target of a
> dial peer, and the
> TGRM transparently selects the specific PRI interface and channels to use
> for incoming or outgoing calls. A trunk group can include any number of PRI
> interfaces, but all
> the interfaces in a trunk group must use the same type of signaling.
>
> The Class of Restrictions (COR) functionality provides the ability to deny
> certain call attempts based on the incoming and outgoing class of
> restrictions provisioned on
> the dial peers. This functionality provides flexibility in network design,
> allows users to block calls (for example, to 900 numbers), and applies
> different restrictions to call
> attempts from different originators. COR is used to specify which incoming
> dial peer can use which outgoing dial peer to make a call.
>
> In Cisco IOS Software Release 12.1(2)XH, the trunking and COR parts of this
> feature are available only on the Cisco AS5800. The remainder of the feature
> is
> platform independent.
>
> Benefits
>
> The Network Side PRI Signaling, Switching, and Trunking feature allows
> you to bypass PSTN tariffed services such as trunking and administration,
> extending the
> cost savings of VoIP.
>
> It allows your PBXs to be connected directly to a Cisco NAS, so PBX
> station calls can be routed automatically to the IP network without the need
> for special IP
> telephones.
>
> It provides flexibility in network design.
>
> It also enables you to block calls selectively based on the called
> number or the calling number.
>
> Platforms/Considerations
>
> Routers
> C2600, C36xx, C4x00, C7x00,
> Access Servers (AS)
> 5300, 5800
>
> First appearance in a Cisco IOS Software Release: 12.1(3)T.
>
> Marketing Contact
>
> Anita Freeman
>
> anfreema@cisco.com
> ---------------------------------------
> Brian Edwards
> Juniper Networks, Inc.
> JTAC / Technical Support Engineer
> Ph: 408-745-2152
> ---------------------------------------
>
> -----Original Message-----
> From: Kenneth Sacca [mailto:ksacca@cisco.com]
> Sent: Wednesday, August 02, 2000 12:25 PM
> To: Mark Lewis
> Cc: ccielab@groupstudy.com
> Subject: Re: back-to-back BRI
>
> A colleague provided me these instructions. I haven't tried
> it yet. I think you need at least a 12.0 IOS version but I
> don't know which IOS you will need.
>
> HTH Ken
>
> Are you trying to set up a back-to-back connection using ISDN ? If
> that's the case, on the peer serial0:23 interace, you need to issue the
> command ISDN network. This simulates the network (switch) side of the
> ISDN connection.
>
> You can verify that by doing 'show isdn status' and it should say
> '**network side configuration'. Be careful with clock sources tho.
> Generally I make the side which is acting as the network use the
> internal clock. This can be done by doing 'clock source internal' on the
> t1 controller.
>
> Mark Lewis wrote:
> >
> > Sorry, not possible! I wish it was!
> >
> > >From: "Ola Aiyegbusi" <ola@compath.com>
> > >Reply-To: "Ola Aiyegbusi" <ola@compath.com>
> > >To: <ccielab@groupstudy.com>, <cisco-cert@cciecert.com>
> > >Subject: back-to-back BRI
> > >Date: Wed, 2 Aug 2000 12:43:06 -0400
> > >
> > >Can you connect two BRI or PRI interfaces back to back to simulate ISDN
> or
> > >connect BRI to PRI directly? I don't have an ISDN simulator but have BRI
> > >and PRI interfaces on my routers
> > >
> > >Ola Aiyegbusi
> > >Network Engineer CCDP, CCNP (Voice Access Specialization)
> > >ComPath Inc.
> > >10201 Lee Hwy Suite 140 Fairfax VA 22030
> > >Phone: 703-383-9550 Ext. 122
> > >Pager: 1-888-857-5620
> > >Cell: 703-395-8808
> > >Fax: 703-383-1369
> > >Email: ola@compath.com
> > >Web: http://www.compath.com
> >
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